/* See LICENSE file for copyright and license details.
 *
 * To understand surf, start reading main().
 */
#include <sys/file.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <glib.h>
#include <inttypes.h>
#include <libgen.h>
#include <limits.h>
#include <pwd.h>
#include <regex.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include <gdk/gdk.h>
#include <gdk/gdkkeysyms.h>
#include <gdk/gdkx.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include <gtk/gtkx.h>
#include <gcr/gcr.h>
#include <JavaScriptCore/JavaScript.h>
#include <webkit2/webkit2.h>
#include <X11/X.h>
#include <X11/Xatom.h>
#include <glib.h>

#include "arg.h"
#include "common.h"

#define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
#define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))

enum { AtomFind, AtomGo, AtomUri, AtomUTF8, AtomLast };

enum {
    OnDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
    OnLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
    OnImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
    OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
    OnEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
    OnBar   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
    OnSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
    OnAny   = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
};

typedef enum {
    AccessMicrophone,
    AccessWebcam,
    CaretBrowsing,
    Certificate,
    CookiePolicies,
    DarkMode,
    DiskCache,
    DefaultCharset,
    DNSPrefetch,
    Ephemeral,
    FileURLsCrossAccess,
    FontSize,
    FrameFlattening,
    Geolocation,
    HideBackground,
    Inspector,
    Java,
    JavaScript,
    KioskMode,
    LoadImages,
    MediaManualPlay,
    PreferredLanguages,
    RunInFullscreen,
    ScrollBars,
    ShowIndicators,
    SiteQuirks,
    SmoothScrolling,
    SpellChecking,
    SpellLanguages,
    StrictTLS,
    Style,
    WebGL,
    ZoomLevel,
    ParameterLast
} ParamName;

typedef union {
    int i;
    float f;
    const void *v;
} Arg;

typedef struct {
    Arg val;
    int prio;
} Parameter;

typedef struct Client {
    GtkWidget *win;
    WebKitWebView *view;
    WebKitSettings *settings;
    WebKitWebContext *context;
    WebKitWebsiteDataManager *datamanager;
    WebKitWebInspector *inspector;
    WebKitFindController *finder;
    WebKitHitTestResult *mousepos;
    GTlsCertificate *cert, *failedcert;
    GTlsCertificateFlags tlserr;
    Window xid;
    guint64 pageid;
    int progress, fullscreen, https, insecure, errorpage;
    const char *title, *overtitle, *targeturi;
    const char *needle;
    struct Client *next;
} Client;

typedef struct {
    guint mod;
    guint keyval;
    void (*func)(Client *c, const Arg *a);
    const Arg arg;
} Key;

typedef struct {
    unsigned int target;
    unsigned int mask;
    guint button;
    void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
    const Arg arg;
    unsigned int stopevent;
} Button;

typedef struct {
    const char *uri;
    Parameter config[ParameterLast];
    regex_t re;
} UriParameters;

typedef struct {
    char *regex;
    char *file;
    regex_t re;
} SiteSpecific;

/* Surf */
static void die(const char *errstr, ...);
static void usage(void);
static void setup(void);
static void sigchld(int unused);
static void sighup(int unused);
static char *buildfile(const char *path);
static char *buildpath(const char *path);
static char *untildepath(const char *path);
static const char *getuserhomedir(const char *user);
static const char *getcurrentuserhomedir(void);
static Client *newclient(Client *c);
static void loaduri(Client *c, const Arg *a);
static const char *geturi(Client *c);
static void setatom(Client *c, int a, const char *v);
static const char *getatom(Client *c, int a);
static void updatetitle(Client *c);
static void gettogglestats(Client *c);
static void getpagestats(Client *c);
static WebKitCookieAcceptPolicy cookiepolicy_get(void);
static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
static void seturiparameters(Client *c, const char *uri, ParamName *params);
static void setparameter(Client *c, int refresh, ParamName p, const Arg *a);
static const char *getcert(const char *uri);
static void setcert(Client *c, const char *file);
static const char *getstyle(const char *uri);
static void setstyle(Client *c, const char *file);
static void runscript(Client *c);
static void evalscript(Client *c, const char *jsstr, ...);
static void updatewinid(Client *c);
static void handleplumb(Client *c, const char *uri);
static void newwindow(Client *c, const Arg *a, int noembed);
static void spawn(Client *c, const Arg *a);
static void msgext(Client *c, char type, const Arg *a);
static void destroyclient(Client *c);
static void cleanup(void);
static char *read_whole_file(const char *fpath);
static void rewrite_file(const char *fpath, const char *content, size_t content_size);
static char *spawn_cstr_output(Client *c, const Arg *a);

/* GTK/WebKit */
static WebKitWebView *newview(Client *c, WebKitWebView *rv);
static void initwebextensions(WebKitWebContext *wc, Client *c);
static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
                             Client *c);
static gboolean buttonreleased(GtkWidget *w, GdkEvent *e, Client *c);
static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
                                gpointer d);
static gboolean winevent(GtkWidget *w, GdkEvent *e, Client *c);
static gboolean readsock(GIOChannel *s, GIOCondition ioc, gpointer unused);
static void showview(WebKitWebView *v, Client *c);
static GtkWidget *createwindow(Client *c);
static gboolean loadfailedtls(WebKitWebView *v, gchar *uri,
                              GTlsCertificate *cert,
                              GTlsCertificateFlags err, Client *c);
static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
                               guint modifiers, Client *c);
static gboolean permissionrequested(WebKitWebView *v,
                                    WebKitPermissionRequest *r, Client *c);
static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
                             WebKitPolicyDecisionType dt, Client *c);
static void decidenavigation(WebKitPolicyDecision *d, Client *c);
static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
static void decideresource(WebKitPolicyDecision *d, Client *c);
static void insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e,
                            Client *c);
static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
                            Client *c);
static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
static void download(Client *c, WebKitURIResponse *r);
static gboolean viewusrmsgrcv(WebKitWebView *v, WebKitUserMessage *m,
                              gpointer u);
static void webprocessterminated(WebKitWebView *v,
                                 WebKitWebProcessTerminationReason r,
                                 Client *c);
static void closeview(WebKitWebView *v, Client *c);
static void destroywin(GtkWidget* w, Client *c);

/* Hotkeys */
static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
static void reload(Client *c, const Arg *a);
static void print(Client *c, const Arg *a);
static void showcert(Client *c, const Arg *a);
static void clipboard(Client *c, const Arg *a);
static void zoom(Client *c, const Arg *a);
static void scrollv(Client *c, const Arg *a);
static void scrollh(Client *c, const Arg *a);
static void scrollmax(Client *c, const Arg *a);
static void navigate(Client *c, const Arg *a);
static void stop(Client *c, const Arg *a);
static void toggle(Client *c, const Arg *a);
static void togglefullscreen(Client *c, const Arg *a);
static void togglecookiepolicy(Client *c, const Arg *a);
static void toggleinspector(Client *c, const Arg *a);
static void find(Client *c, const Arg *a);
static void bm_add(Client *c, const Arg *a);
static void bm_delete(Client *c, const Arg *a);

/* Buttons */
static void clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h);
static void clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h);
static void clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h);

static char winid[64];
static char togglestats[11];
static char pagestats[2];
static Atom atoms[AtomLast];
static Window embed;
static int showxid;
static int cookiepolicy;
static Display *dpy;
static Client *clients;
static GdkDevice *gdkkb;
static char *stylefile;
static const char *useragent;
static Parameter *curconfig;
static int modparams[ParameterLast];
static int spair[2];
char *argv0;

static ParamName loadtransient[] = {
    Certificate,
    CookiePolicies,
    DiskCache,
    DNSPrefetch,
    FileURLsCrossAccess,
    JavaScript,
    LoadImages,
    PreferredLanguages,
    ShowIndicators,
    StrictTLS,
    ParameterLast
};

static ParamName loadcommitted[] = {
    //	AccessMicrophone,
    //	AccessWebcam,
    CaretBrowsing,
    DarkMode,
    DefaultCharset,
    FontSize,
    FrameFlattening,
    Geolocation,
    HideBackground,
    Inspector,
    Java,
    //	KioskMode,
    MediaManualPlay,
    RunInFullscreen,
    ScrollBars,
    SiteQuirks,
    SmoothScrolling,
    SpellChecking,
    SpellLanguages,
    Style,
    ZoomLevel,
    ParameterLast
};

static ParamName loadfinished[] = {
    ParameterLast
};

/* configuration, allows nested code to access above variables */
#include "config.h"

#ifndef HOMEPAGE
#define HOMEPAGE "about:blank"
#endif

#ifndef SEARCH_ENGINE
#define SEARCH_ENGINE "https://%s"
#endif

    void
die(const char *errstr, ...)
{
    va_list ap;

    va_start(ap, errstr);
    vfprintf(stderr, errstr, ap);
    va_end(ap);
    exit(1);
}

    void
usage(void)
{
    die("usage: surf [-bBdDfFgGiIkKmMnNpPsStTvwxX]\n"
        "[-a cookiepolicies ] [-c cookiefile] [-C stylefile] [-e xid]\n"
        "[-r scriptfile] [-u useragent] [-z zoomlevel] [uri]\n");
}

    void
setup(void)
{
    GIOChannel *gchanin;
    GdkDisplay *gdpy;
    int i, j;

    /* clean up any zombies immediately */
    sigchld(0);
    if (signal(SIGHUP, sighup) == SIG_ERR)
        die("Can't install SIGHUP handler");

    if (!(dpy = XOpenDisplay(NULL)))
        die("Can't open default display");

    /* atoms */
    atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
    atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
    atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
    atoms[AtomUTF8] = XInternAtom(dpy, "UTF8_STRING", False);

    gtk_init(NULL, NULL);

    gdpy = gdk_display_get_default();

    curconfig = defconfig;

    /* dirs and files */
    cookiefile = buildfile(cookiefile);
    scriptfile = buildfile(scriptfile);
    certdir    = buildpath(certdir);
    if (curconfig[Ephemeral].val.i)
        cachedir = NULL;
    else
        cachedir   = buildpath(cachedir);

    gdkkb = gdk_seat_get_keyboard(gdk_display_get_default_seat(gdpy));

    if (socketpair(AF_UNIX, SOCK_DGRAM, 0, spair) < 0) {
        fputs("Unable to create sockets\n", stderr);
        spair[0] = spair[1] = -1;
    } else {
        gchanin = g_io_channel_unix_new(spair[0]);
        g_io_channel_set_encoding(gchanin, NULL, NULL);
        g_io_channel_set_flags(gchanin, g_io_channel_get_flags(gchanin)
                               | G_IO_FLAG_NONBLOCK, NULL);
        g_io_channel_set_close_on_unref(gchanin, TRUE);
        g_io_add_watch(gchanin, G_IO_IN, readsock, NULL);
    }


    for (i = 0; i < LENGTH(certs); ++i) {
        if (!regcomp(&(certs[i].re), certs[i].regex, REG_EXTENDED)) {
            certs[i].file = g_strconcat(certdir, "/", certs[i].file,
                                        NULL);
        } else {
            fprintf(stderr, "Could not compile regex: %s\n",
                    certs[i].regex);
            certs[i].regex = NULL;
        }
    }

    if (!stylefile) {
        styledir = buildpath(styledir);
        for (i = 0; i < LENGTH(styles); ++i) {
            if (!regcomp(&(styles[i].re), styles[i].regex,
                         REG_EXTENDED)) {
                styles[i].file = g_strconcat(styledir, "/",
                                             styles[i].file, NULL);
            } else {
                fprintf(stderr, "Could not compile regex: %s\n",
                        styles[i].regex);
                styles[i].regex = NULL;
            }
        }
        g_free(styledir);
    } else {
        stylefile = buildfile(stylefile);
    }

    for (i = 0; i < LENGTH(uriparams); ++i) {
        if (regcomp(&(uriparams[i].re), uriparams[i].uri,
                    REG_EXTENDED)) {
            fprintf(stderr, "Could not compile regex: %s\n",
                    uriparams[i].uri);
            uriparams[i].uri = NULL;
            continue;
        }

        /* copy default parameters with higher priority */
        for (j = 0; j < ParameterLast; ++j) {
            if (defconfig[j].prio >= uriparams[i].config[j].prio)
                uriparams[i].config[j] = defconfig[j];
        }
    }
}

    void
sigchld(int unused)
{
    if (signal(SIGCHLD, sigchld) == SIG_ERR)
        die("Can't install SIGCHLD handler");
    while (waitpid(-1, NULL, WNOHANG) > 0)
        ;
}

    void
sighup(int unused)
{
    Arg a = { .i = 0 };
    Client *c;

    for (c = clients; c; c = c->next)
        reload(c, &a);
}

    char *
buildfile(const char *path)
{
    char *dname, *bname, *bpath, *fpath;
    FILE *f;

    dname = g_path_get_dirname(path);
    bname = g_path_get_basename(path);

    bpath = buildpath(dname);
    g_free(dname);

    fpath = g_build_filename(bpath, bname, NULL);
    g_free(bpath);
    g_free(bname);

    if (!(f = fopen(fpath, "a")))
        die("Could not open file: %s\n", fpath);

    g_chmod(fpath, 0600); /* always */
    fclose(f);

    return fpath;
}

    static const char*
getuserhomedir(const char *user)
{
    struct passwd *pw = getpwnam(user);

    if (!pw)
        die("Can't get user %s login information.\n", user);

    return pw->pw_dir;
}

    static const char*
getcurrentuserhomedir(void)
{
    const char *homedir;
    const char *user;
    struct passwd *pw;

    homedir = getenv("HOME");
    if (homedir)
        return homedir;

    user = getenv("USER");
    if (user)
        return getuserhomedir(user);

    pw = getpwuid(getuid());
    if (!pw)
        die("Can't get current user home directory\n");

    return pw->pw_dir;
}

    char *
buildpath(const char *path)
{
    char *apath, *fpath;

    if (path[0] == '~')
        apath = untildepath(path);
    else
        apath = g_strdup(path);

    /* creating directory */
    if (g_mkdir_with_parents(apath, 0700) < 0)
        die("Could not access directory: %s\n", apath);

    fpath = realpath(apath, NULL);
    g_free(apath);

    return fpath;
}

    char *
untildepath(const char *path)
{
    char *apath, *name, *p;
    const char *homedir;

    if (path[1] == '/' || path[1] == '\0') {
        p = (char *)&path[1];
        homedir = getcurrentuserhomedir();
    } else {
        if ((p = strchr(path, '/')))
            name = g_strndup(&path[1], p - (path + 1));
        else
            name = g_strdup(&path[1]);

        homedir = getuserhomedir(name);
        g_free(name);
    }
    apath = g_build_filename(homedir, p, NULL);
    return apath;
}

    Client *
newclient(Client *rc)
{
    Client *c;

    if (!(c = calloc(1, sizeof(Client))))
        die("Cannot malloc!\n");

    c->next = clients;
    clients = c;

    c->progress = 100;
    c->view = newview(c, rc ? rc->view : NULL);

    return c;
}

    void
loaduri(Client *c, const Arg *a)
{
    struct stat st;
    char *url, *path, *apath;
    const char *uri = a->v;

    if (g_strcmp0(uri, "") == 0)
        return;

    if (g_str_has_prefix(uri, "http://")  ||
        g_str_has_prefix(uri, "https://") ||
        g_str_has_prefix(uri, "file://")  ||
        g_str_has_prefix(uri, "about:")) {
        url = g_strdup(uri);
    } else {
        if (uri[0] == '~')
            apath = untildepath(uri);
        else
            apath = (char *)uri;
        if (!stat(apath, &st) && (path = realpath(apath, NULL))) {
            url = g_strdup_printf("file://%s", path);
            free(path);
        } else {
            char *first_dot = strchr(uri, '.');
            char *first_space = strchr(uri, ' ');
            if(first_dot && first_dot != uri && !first_space)
                url = g_strdup_printf("http://%s", uri);
            else
                url = g_strdup_printf(SEARCH_ENGINE, uri);
        }
        if (apath != uri)
            free(apath);
    }

    setatom(c, AtomUri, url);

    if (strcmp(url, geturi(c)) == 0) {
        reload(c, a);
    } else {
        webkit_web_view_load_uri(c->view, url);
        updatetitle(c);
    }

    g_free(url);
}

    const char *
geturi(Client *c)
{
    const char *uri;

    if (!(uri = webkit_web_view_get_uri(c->view)))
        uri = "about:blank";
    return uri;
}

    void
setatom(Client *c, int a, const char *v)
{
    XChangeProperty(dpy, c->xid,
                    atoms[a], atoms[AtomUTF8], 8, PropModeReplace,
                    (unsigned char *)v, strlen(v) + 1);
    XSync(dpy, False);
}

    const char *
getatom(Client *c, int a)
{
    static char buf[BUFSIZ];
    Atom adummy;
    int idummy;
    unsigned long ldummy;
    unsigned char *p = NULL;

    XSync(dpy, False);
    XGetWindowProperty(dpy, c->xid,
                       atoms[a], 0L, BUFSIZ, False, atoms[AtomUTF8],
                       &adummy, &idummy, &ldummy, &ldummy, &p);
    if (p)
        strncpy(buf, (char *)p, LENGTH(buf) - 1);
    else
        buf[0] = '\0';
    XFree(p);

    return buf;
}

    void
updatetitle(Client *c)
{
    char *title;
    const char *name = c->overtitle ? c->overtitle :
    c->title ? c->title : "";

    if (curconfig[ShowIndicators].val.i) {
        gettogglestats(c);
        getpagestats(c);

        if (c->progress != 100)
            title = g_strdup_printf("[%i%%] %s:%s | %s",
                                    c->progress, togglestats, pagestats, name);
        else
            title = g_strdup_printf("%s:%s | %s",
                                    togglestats, pagestats, name);

        gtk_window_set_title(GTK_WINDOW(c->win), title);
        g_free(title);
    } else {
        gtk_window_set_title(GTK_WINDOW(c->win), name);
    }
}

    void
gettogglestats(Client *c)
{
    togglestats[0] = cookiepolicy_set(cookiepolicy_get());
    togglestats[1] = curconfig[CaretBrowsing].val.i ?   'C' : 'c';
    togglestats[2] = curconfig[Geolocation].val.i ?     'G' : 'g';
    togglestats[3] = curconfig[DiskCache].val.i ?       'D' : 'd';
    togglestats[4] = curconfig[LoadImages].val.i ?      'I' : 'i';
    togglestats[5] = curconfig[JavaScript].val.i ?      'S' : 's';
    togglestats[6] = curconfig[Style].val.i ?           'M' : 'm';
    togglestats[7] = curconfig[FrameFlattening].val.i ? 'F' : 'f';
    togglestats[8] = curconfig[Certificate].val.i ?     'X' : 'x';
    togglestats[9] = curconfig[StrictTLS].val.i ?       'T' : 't';
}

    void
getpagestats(Client *c)
{
    if (c->https)
        pagestats[0] = (c->tlserr || c->insecure) ?  'U' : 'T';
    else
        pagestats[0] = '-';
    pagestats[1] = '\0';
}

    WebKitCookieAcceptPolicy
cookiepolicy_get(void)
{
    switch (((char *)curconfig[CookiePolicies].val.v)[cookiepolicy]) {
        case 'a':
            return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
        case '@':
            return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
        default: /* fallthrough */
        case 'A':
            return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
    }
}

    char
cookiepolicy_set(const WebKitCookieAcceptPolicy p)
{
    switch (p) {
        case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
            return 'a';
        case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
            return '@';
        default: /* fallthrough */
        case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
            return 'A';
    }
}

    void
seturiparameters(Client *c, const char *uri, ParamName *params)
{
    Parameter *config, *uriconfig = NULL;
    int i, p;

    for (i = 0; i < LENGTH(uriparams); ++i) {
        if (uriparams[i].uri &&
            !regexec(&(uriparams[i].re), uri, 0, NULL, 0)) {
            uriconfig = uriparams[i].config;
            break;
        }
    }

    curconfig = uriconfig ? uriconfig : defconfig;

    for (i = 0; (p = params[i]) != ParameterLast; ++i) {
        switch(p) {
            default: /* FALLTHROUGH */
                if (!(defconfig[p].prio < curconfig[p].prio ||
                      defconfig[p].prio < modparams[p]))
                    continue;
            case Certificate:
            case CookiePolicies:
            case Style:
                setparameter(c, 0, p, &curconfig[p].val);
        }
    }
}

    void
setparameter(Client *c, int refresh, ParamName p, const Arg *a)
{
    GdkRGBA bgcolor = { 0 };

    modparams[p] = curconfig[p].prio;

    switch (p) {
        case AccessMicrophone:
            return; /* do nothing */
        case AccessWebcam:
            return; /* do nothing */
        case CaretBrowsing:
            webkit_settings_set_enable_caret_browsing(c->settings, a->i);
            refresh = 0;
            break;
        case Certificate:
            if (a->i)
                setcert(c, geturi(c));
            return; /* do not update */
        case CookiePolicies:
            webkit_cookie_manager_set_accept_policy(
                                                    webkit_web_context_get_cookie_manager(c->context),
                                                    cookiepolicy_get());
            refresh = 0;
            break;
        case DarkMode:
            g_object_set(gtk_settings_get_default(),
                         "gtk-application-prefer-dark-theme", a->i, NULL);
            return;
        case DiskCache:
            webkit_web_context_set_cache_model(c->context, a->i ?
                                               WEBKIT_CACHE_MODEL_WEB_BROWSER :
                                               WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
            return; /* do not update */
        case DefaultCharset:
            webkit_settings_set_default_charset(c->settings, a->v);
            return; /* do not update */
        case DNSPrefetch:
            webkit_settings_set_enable_dns_prefetching(c->settings, a->i);
            return; /* do not update */
        case FileURLsCrossAccess:
            webkit_settings_set_allow_file_access_from_file_urls(
                                                                 c->settings, a->i);
            webkit_settings_set_allow_universal_access_from_file_urls(
                                                                      c->settings, a->i);
            return; /* do not update */
        case FontSize:
            webkit_settings_set_default_font_size(c->settings, a->i);
            return; /* do not update */
        case FrameFlattening:
            /*webkit_settings_set_enable_frame_flattening(c->settings, a->i);*/
            break; /* The function does nothing */
        case Geolocation:
            refresh = 0;
            break;
        case HideBackground:
            if (a->i)
                webkit_web_view_set_background_color(c->view, &bgcolor);
            return; /* do not update */
        case Inspector:
            webkit_settings_set_enable_developer_extras(c->settings, a->i);
            return; /* do not update */
        case Java:
            /* webkit_settings_set_enable_java(c->settings, a->i); */
            return; /* The function does nothing */
        case JavaScript:
            webkit_settings_set_enable_javascript(c->settings, a->i);
            break;
        case KioskMode:
            return; /* do nothing */
        case LoadImages:
            webkit_settings_set_auto_load_images(c->settings, a->i);
            break;
        case MediaManualPlay:
            webkit_settings_set_media_playback_requires_user_gesture(
                                                                     c->settings, a->i);
            break;
        case PreferredLanguages:
            return; /* do nothing */
        case RunInFullscreen:
            return; /* do nothing */
        case ScrollBars:
            /* Disabled until we write some WebKitWebExtension for
             * manipulating the DOM directly.
             enablescrollbars = !enablescrollbars;
             evalscript(c, "document.documentElement.style.overflow = '%s'",
             enablescrollbars ? "auto" : "hidden");
             */
            return; /* do not update */
        case ShowIndicators:
            break;
        case SmoothScrolling:
            webkit_settings_set_enable_smooth_scrolling(c->settings, a->i);
            return; /* do not update */
        case SiteQuirks:
            webkit_settings_set_enable_site_specific_quirks(
                                                            c->settings, a->i);
            break;
        case SpellChecking:
            webkit_web_context_set_spell_checking_enabled(
                                                          c->context, a->i);
            return; /* do not update */
        case SpellLanguages:
            return; /* do nothing */
        case StrictTLS:
            webkit_website_data_manager_set_tls_errors_policy(c->datamanager, a->i ?
                                                              WEBKIT_TLS_ERRORS_POLICY_FAIL :
                                                              WEBKIT_TLS_ERRORS_POLICY_IGNORE);
            break;
        case Style:
            webkit_user_content_manager_remove_all_style_sheets(
                                                                webkit_web_view_get_user_content_manager(c->view));
            if (a->i)
                setstyle(c, getstyle(geturi(c)));
            refresh = 0;
            break;
        case WebGL:
            webkit_settings_set_enable_webgl(c->settings, a->i);
            break;
        case ZoomLevel:
            webkit_web_view_set_zoom_level(c->view, a->f);
            return; /* do not update */
        default:
            return; /* do nothing */
    }

    updatetitle(c);
    if (refresh)
        reload(c, a);
}

    const char *
getcert(const char *uri)
{
    int i;

    for (i = 0; i < LENGTH(certs); ++i) {
        if (certs[i].regex &&
            !regexec(&(certs[i].re), uri, 0, NULL, 0))
            return certs[i].file;
    }

    return NULL;
}

    void
setcert(Client *c, const char *uri)
{
    const char *file = getcert(uri);
    char *host;
    GTlsCertificate *cert;

    if (!file)
        return;

    if (!(cert = g_tls_certificate_new_from_file(file, NULL))) {
        fprintf(stderr, "Could not read certificate file: %s\n", file);
        return;
    }

    if ((uri = strstr(uri, "https://"))) {
        uri += sizeof("https://") - 1;
        host = g_strndup(uri, strchr(uri, '/') - uri);
        webkit_web_context_allow_tls_certificate_for_host(c->context,
                                                          cert, host);
        g_free(host);
    }

    g_object_unref(cert);

}

    const char *
getstyle(const char *uri)
{
    int i;

    if (stylefile)
        return stylefile;

    for (i = 0; i < LENGTH(styles); ++i) {
        if (styles[i].regex &&
            !regexec(&(styles[i].re), uri, 0, NULL, 0))
            return styles[i].file;
    }

    return "";
}

    void
setstyle(Client *c, const char *file)
{
    gchar *style;

    if (!g_file_get_contents(file, &style, NULL, NULL)) {
        fprintf(stderr, "Could not read style file: %s\n", file);
        return;
    }

    webkit_user_content_manager_add_style_sheet(
                                                webkit_web_view_get_user_content_manager(c->view),
                                                webkit_user_style_sheet_new(style,
                                                                            WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
                                                                            WEBKIT_USER_STYLE_LEVEL_USER,
                                                                            NULL, NULL));

    g_free(style);
}

    void
runscript(Client *c)
{
    gchar *script;
    gsize l;

    if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
        evalscript(c, "%s", script);
    g_free(script);
}

    void
evalscript(Client *c, const char *jsstr, ...)
{
    va_list ap;
    gchar *script;

    va_start(ap, jsstr);
    script = g_strdup_vprintf(jsstr, ap);
    va_end(ap);

    webkit_web_view_evaluate_javascript(c->view, script, -1, NULL, NULL, NULL, NULL, NULL);
    g_free(script);
}

    void
updatewinid(Client *c)
{
    snprintf(winid, LENGTH(winid), "%lu", c->xid);
}

    void
handleplumb(Client *c, const char *uri)
{
    Arg a = (Arg)PLUMB(uri);
    spawn(c, &a);
}

    void
newwindow(Client *c, const Arg *a, int noembed)
{
    int i = 0;
    char tmp[64];
    const char *cmd[29], *uri;
    const Arg arg = { .v = cmd };

    cmd[i++] = argv0;
    cmd[i++] = "-a";
    cmd[i++] = curconfig[CookiePolicies].val.v;
    cmd[i++] = curconfig[ScrollBars].val.i ? "-B" : "-b";
    if (cookiefile && g_strcmp0(cookiefile, "")) {
        cmd[i++] = "-c";
        cmd[i++] = cookiefile;
    }
    if (stylefile && g_strcmp0(stylefile, "")) {
        cmd[i++] = "-C";
        cmd[i++] = stylefile;
    }
    cmd[i++] = curconfig[DiskCache].val.i ? "-D" : "-d";
    if (embed && !noembed) {
        cmd[i++] = "-e";
        snprintf(tmp, LENGTH(tmp), "%lu", embed);
        cmd[i++] = tmp;
    }
    cmd[i++] = curconfig[RunInFullscreen].val.i ? "-F" : "-f" ;
    cmd[i++] = curconfig[Geolocation].val.i ?     "-G" : "-g" ;
    cmd[i++] = curconfig[LoadImages].val.i ?      "-I" : "-i" ;
    cmd[i++] = curconfig[KioskMode].val.i ?       "-K" : "-k" ;
    cmd[i++] = curconfig[Style].val.i ?           "-M" : "-m" ;
    cmd[i++] = curconfig[Inspector].val.i ?       "-N" : "-n" ;
    if (scriptfile && g_strcmp0(scriptfile, "")) {
        cmd[i++] = "-r";
        cmd[i++] = scriptfile;
    }
    cmd[i++] = curconfig[JavaScript].val.i ? "-S" : "-s";
    cmd[i++] = curconfig[StrictTLS].val.i ? "-T" : "-t";
    if (fulluseragent && g_strcmp0(fulluseragent, "")) {
        cmd[i++] = "-u";
        cmd[i++] = fulluseragent;
    }
    if (showxid)
        cmd[i++] = "-w";
    cmd[i++] = curconfig[Certificate].val.i ? "-X" : "-x" ;
    /* do not keep zoom level */
    cmd[i++] = "--";
    if ((uri = a->v))
        cmd[i++] = uri;
    cmd[i] = NULL;

    spawn(c, &arg);
}

    void
spawn(Client *c, const Arg *a)
{
    if (fork() == 0) {
        if (dpy)
            close(ConnectionNumber(dpy));
        close(spair[0]);
        close(spair[1]);
        setsid();
        execvp(((char **)a->v)[0], (char **)a->v);
        fprintf(stderr, "%s: execvp %s", argv0, ((char **)a->v)[0]);
        perror(" failed");
        exit(1);
    }
}

    void
destroyclient(Client *c)
{
    Client *p;

    webkit_web_view_stop_loading(c->view);
    /* Not needed, has already been called
       gtk_widget_destroy(c->win);
       */

    for (p = clients; p && p->next != c; p = p->next)
        ;
    if (p)
        p->next = c->next;
    else
        clients = c->next;
    free(c);
}

    void
cleanup(void)
{
    while (clients)
        destroyclient(clients);

    close(spair[0]);
    close(spair[1]);
    g_free(cookiefile);
    g_free(scriptfile);
    g_free(stylefile);
    g_free(cachedir);
    XCloseDisplay(dpy);
}

    char *
read_whole_file(const char *fpath)
{
    FILE *f = fopen(fpath, "rb");
    if (fseek(f, 0, SEEK_END) == -1)
    {
        fprintf(stderr, "ERROR: could not fseek %s: %s\n", fpath, strerror(errno));
        return NULL;
    }
    size_t fsize = (size_t) ftell(f);
    if (fseek(f, 0, SEEK_SET) == -1)
    {
        fprintf(stderr, "ERROR: could not fseek %s: %s\n", fpath, strerror(errno));
        return NULL;
    }
    char *content = malloc(fsize);
    size_t read_size = fread(content, 1, fsize, f);
    if (ferror(f)) {
        fprintf(stderr, "ERROR: could not read %s: %s\n", fpath, strerror(errno));
        free(content);
        return NULL;
    }
    fclose(f);
    return content;
}

    void
rewrite_file(const char *fpath, const char *content, size_t content_size)
{
    int fd = open(fpath, O_WRONLY | O_TRUNC, 0644);
    if (fd == -1) {
        fprintf(stderr, "ERROR: could not open %s: %s\n", fpath, strerror(errno));
        return;
    }
    if (write(fd, content, content_size) == -1){
        fprintf(stderr, "ERROR: could not write to %s: %s\n", fpath, strerror(errno));
        return;
    }
    if (close(fd) == -1)
        fprintf(stderr, "ERROR: could not close %s: %s\n", fpath, strerror(errno));
}

#define BUFF_CAP 1024
/* Just like spawn but getting the command's output through a pipe */
    char *
spawn_cstr_output(Client *c, const Arg *a)
{
    int pipefd[2];
    char buf[BUFF_CAP] = {0};
    ssize_t n_read = 0;
    pipe(pipefd);
    switch (fork()) {
        case 0:
            if (dpy)
                close(ConnectionNumber(dpy));
            close(spair[0]);
            close(spair[1]);
            close(pipefd[0]);
            setsid();
            if (dup2(pipefd[1], 1) == -1)
                die("ERROR: spawn_cstr_output: could not redirect output to pipe\n");
            execvp(((char **)a->v)[0], (char **)a->v);
            fprintf(stderr, "%s: execvp %s", argv0, ((char **)a->v)[0]);
            perror(" failed");
            exit(1);
        case -1:
            die("spawn_cstr_output: fork failed: %s\n", strerror(errno));
        default:
            wait(NULL);
            close(pipefd[1]);
            if ((n_read = read(pipefd[0], buf, BUFF_CAP)) == -1)
                die("ERROR: spawn_cstr_output: Could not read from the pipe\n");
            close(pipefd[0]);
    }

    buf[n_read - 1] = '\0';

    return strndup(buf, BUFF_CAP);
}

    WebKitWebView *
newview(Client *c, WebKitWebView *rv)
{
    WebKitWebView *v;
    WebKitSettings *settings;
    WebKitWebContext *context;
    WebKitWebsiteDataManager *datamanager;
    WebKitCookieManager *cookiemanager;
    WebKitUserContentManager *contentmanager;

    /* Webview */
    if (rv) {
        v = WEBKIT_WEB_VIEW(webkit_web_view_new_with_related_view(rv));
        context = webkit_web_view_get_context(v);
        settings = webkit_web_view_get_settings(v);
    } else {
        settings = webkit_settings_new_with_settings(
                                                     "allow-file-access-from-file-urls", curconfig[FileURLsCrossAccess].val.i,
                                                     "allow-universal-access-from-file-urls", curconfig[FileURLsCrossAccess].val.i,
                                                     "auto-load-images", curconfig[LoadImages].val.i,
                                                     "default-charset", curconfig[DefaultCharset].val.v,
                                                     "default-font-size", curconfig[FontSize].val.i,
                                                     "enable-caret-browsing", curconfig[CaretBrowsing].val.i,
                                                     "enable-developer-extras", curconfig[Inspector].val.i,
                                                     "enable-dns-prefetching", curconfig[DNSPrefetch].val.i,
                                                     "enable-frame-flattening", curconfig[FrameFlattening].val.i,
                                                     "enable-html5-database", curconfig[DiskCache].val.i,
                                                     "enable-html5-local-storage", curconfig[DiskCache].val.i,
                                                     "enable-java", curconfig[Java].val.i,
                                                     "enable-javascript", curconfig[JavaScript].val.i,
                                                     "enable-site-specific-quirks", curconfig[SiteQuirks].val.i,
                                                     "enable-smooth-scrolling", curconfig[SmoothScrolling].val.i,
                                                     "enable-webgl", curconfig[WebGL].val.i,
                                                     "media-playback-requires-user-gesture", curconfig[MediaManualPlay].val.i,
                                                     NULL);
        /* For more interesting settings, have a look at
         * http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html */

        if (strcmp(fulluseragent, "")) {
            webkit_settings_set_user_agent(settings, fulluseragent);
        } else if (surfuseragent) {
            webkit_settings_set_user_agent_with_application_details(
                                                                    settings, "Surf", VERSION);
        }
        useragent = webkit_settings_get_user_agent(settings);

        contentmanager = webkit_user_content_manager_new();

        if (curconfig[Ephemeral].val.i) {
            context = webkit_web_context_new_ephemeral();
            datamanager = webkit_website_data_manager_new_ephemeral();
        } else {
            datamanager = webkit_website_data_manager_new(
                                                          "base-cache-directory", cachedir,
                                                          "base-data-directory", cachedir,
                                                          NULL);
            context = webkit_web_context_new_with_website_data_manager(datamanager);
        }


        cookiemanager = webkit_web_context_get_cookie_manager(context);

        /* rendering process model, can be a shared unique one
         * or one for each view */
        /* Commented: the only allowed process model is WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES,
         * so this function does absolutely nothing */
        /*webkit_web_context_set_process_model(context,
          WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);*/
        /* TLS */
        webkit_website_data_manager_set_tls_errors_policy(datamanager,
                                                          curconfig[StrictTLS].val.i ? WEBKIT_TLS_ERRORS_POLICY_FAIL :
                                                          WEBKIT_TLS_ERRORS_POLICY_IGNORE);
        /* disk cache */
        webkit_web_context_set_cache_model(context,
                                           curconfig[DiskCache].val.i ? WEBKIT_CACHE_MODEL_WEB_BROWSER :
                                           WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);

        /* Currently only works with text file to be compatible with curl */
        if (!curconfig[Ephemeral].val.i)
            webkit_cookie_manager_set_persistent_storage(cookiemanager,
                                                         cookiefile, WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
        /* cookie policy */
        webkit_cookie_manager_set_accept_policy(cookiemanager,
                                                cookiepolicy_get());
        /* languages */
        webkit_web_context_set_preferred_languages(context,
                                                   curconfig[PreferredLanguages].val.v);
        webkit_web_context_set_spell_checking_languages(context,
                                                        curconfig[SpellLanguages].val.v);
        webkit_web_context_set_spell_checking_enabled(context,
                                                      curconfig[SpellChecking].val.i);

        g_signal_connect(G_OBJECT(context), "download-started",
                         G_CALLBACK(downloadstarted), c);
        g_signal_connect(G_OBJECT(context), "initialize-web-extensions",
                         G_CALLBACK(initwebextensions), c);

        v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
                         "settings", settings,
                         "user-content-manager", contentmanager,
                         "web-context", context,
                         NULL);
    }

    g_signal_connect(G_OBJECT(v), "notify::estimated-load-progress",
                     G_CALLBACK(progresschanged), c);
    g_signal_connect(G_OBJECT(v), "notify::title",
                     G_CALLBACK(titlechanged), c);
    g_signal_connect(G_OBJECT(v), "button-release-event",
                     G_CALLBACK(buttonreleased), c);
    g_signal_connect(G_OBJECT(v), "close",
                     G_CALLBACK(closeview), c);
    g_signal_connect(G_OBJECT(v), "create",
                     G_CALLBACK(createview), c);
    g_signal_connect(G_OBJECT(v), "decide-policy",
                     G_CALLBACK(decidepolicy), c);
    g_signal_connect(G_OBJECT(v), "insecure-content-detected",
                     G_CALLBACK(insecurecontent), c);
    g_signal_connect(G_OBJECT(v), "load-failed-with-tls-errors",
                     G_CALLBACK(loadfailedtls), c);
    g_signal_connect(G_OBJECT(v), "load-changed",
                     G_CALLBACK(loadchanged), c);
    g_signal_connect(G_OBJECT(v), "mouse-target-changed",
                     G_CALLBACK(mousetargetchanged), c);
    g_signal_connect(G_OBJECT(v), "permission-request",
                     G_CALLBACK(permissionrequested), c);
    g_signal_connect(G_OBJECT(v), "ready-to-show",
                     G_CALLBACK(showview), c);
    g_signal_connect(G_OBJECT(v), "user-message-received",
                     G_CALLBACK(viewusrmsgrcv), c);
    g_signal_connect(G_OBJECT(v), "web-process-terminated",
                     G_CALLBACK(webprocessterminated), c);

    c->context = context;
    c->settings = settings;
    c->datamanager = datamanager;

    setparameter(c, 0, DarkMode, &curconfig[DarkMode].val);

    return v;
}

    static gboolean
readsock(GIOChannel *s, GIOCondition ioc, gpointer unused)
{
    static char msg[MSGBUFSZ];
    GError *gerr = NULL;
    gsize msgsz;

    if (g_io_channel_read_chars(s, msg, sizeof(msg), &msgsz, &gerr) !=
        G_IO_STATUS_NORMAL) {
        if (gerr) {
            fprintf(stderr, "surf: error reading socket: %s\n",
                    gerr->message);
            g_error_free(gerr);
        }
        return TRUE;
    }
    if (msgsz < 2) {
        fprintf(stderr, "surf: message too short: %d\n", msgsz);
        return TRUE;
    }

    return TRUE;
}

    void
initwebextensions(WebKitWebContext *wc, Client *c)
{
    webkit_web_context_set_web_extensions_directory(wc, WEBEXTDIR);
}

    GtkWidget *
createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
{
    Client *n;

    switch (webkit_navigation_action_get_navigation_type(a)) {
        case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
            /*
             * popup windows of type “other” are almost always triggered
             * by user gesture, so inverse the logic here
             */
            /* instead of this, compare destination uri to mouse-over uri for validating window */
            if (webkit_navigation_action_is_user_gesture(a))
                return NULL;
        case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
            n = newclient(c);
            break;
        default:
            return NULL;
    }

    return GTK_WIDGET(n->view);
}

    gboolean
buttonreleased(GtkWidget *w, GdkEvent *e, Client *c)
{
    WebKitHitTestResultContext element;
    int i;

    element = webkit_hit_test_result_get_context(c->mousepos);

    for (i = 0; i < LENGTH(buttons); ++i) {
        if (element & buttons[i].target &&
            e->button.button == buttons[i].button &&
            CLEANMASK(e->button.state) == CLEANMASK(buttons[i].mask) &&
            buttons[i].func) {
            buttons[i].func(c, &buttons[i].arg, c->mousepos);
            return buttons[i].stopevent;
        }
    }

    return FALSE;
}

    GdkFilterReturn
processx(GdkXEvent *e, GdkEvent *event, gpointer d)
{
    Client *c = (Client *)d;
    XPropertyEvent *ev;
    Arg a;

    if (((XEvent *)e)->type == PropertyNotify) {
        ev = &((XEvent *)e)->xproperty;
        if (ev->state == PropertyNewValue) {
            if (ev->atom == atoms[AtomFind]) {
                find(c, NULL);

                return GDK_FILTER_REMOVE;
            } else if (ev->atom == atoms[AtomGo]) {
                a.v = getatom(c, AtomGo);
                loaduri(c, &a);

                return GDK_FILTER_REMOVE;
            }
        }
    }
    return GDK_FILTER_CONTINUE;
}

    gboolean
winevent(GtkWidget *w, GdkEvent *e, Client *c)
{
    int i;

    switch (e->type) {
        case GDK_ENTER_NOTIFY:
            c->overtitle = c->targeturi;
            updatetitle(c);
            break;
        case GDK_KEY_PRESS:
            if (!curconfig[KioskMode].val.i) {
                for (i = 0; i < LENGTH(keys); ++i) {
                    if (gdk_keyval_to_lower(e->key.keyval) ==
                        keys[i].keyval &&
                        CLEANMASK(e->key.state) == keys[i].mod &&
                        keys[i].func) {
                        updatewinid(c);
                        keys[i].func(c, &(keys[i].arg));
                        return TRUE;
                    }
                }
            }
        case GDK_LEAVE_NOTIFY:
            c->overtitle = NULL;
            updatetitle(c);
            break;
        case GDK_WINDOW_STATE:
            if (e->window_state.changed_mask ==
                GDK_WINDOW_STATE_FULLSCREEN)
                c->fullscreen = e->window_state.new_window_state &
                GDK_WINDOW_STATE_FULLSCREEN;
            break;
        default:
            break;
    }

    return FALSE;
}

    void
showview(WebKitWebView *v, Client *c)
{
    GdkRGBA bgcolor = { 0 };
    GdkWindow *gwin;

    c->finder = webkit_web_view_get_find_controller(c->view);
    c->inspector = webkit_web_view_get_inspector(c->view);

    c->pageid = webkit_web_view_get_page_id(c->view);
    c->win = createwindow(c);

    gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
    gtk_widget_show_all(c->win);
    gtk_widget_grab_focus(GTK_WIDGET(c->view));

    gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
    c->xid = gdk_x11_window_get_xid(gwin);
    updatewinid(c);
    if (showxid) {
        gdk_display_sync(gtk_widget_get_display(c->win));
        puts(winid);
        fflush(stdout);
    }

    if (curconfig[HideBackground].val.i)
        webkit_web_view_set_background_color(c->view, &bgcolor);

    if (!curconfig[KioskMode].val.i) {
        gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
        gdk_window_add_filter(gwin, processx, c);
    }

    if (curconfig[RunInFullscreen].val.i)
        togglefullscreen(c, NULL);

    if (curconfig[ZoomLevel].val.f != 1.0)
        webkit_web_view_set_zoom_level(c->view,
                                       curconfig[ZoomLevel].val.f);

    setatom(c, AtomFind, "");
    setatom(c, AtomUri, "about:blank");
}

    GtkWidget *
createwindow(Client *c)
{
    char *wmstr;
    GtkWidget *w;

    if (embed) {
        w = gtk_plug_new(embed);
    } else {
        w = gtk_window_new(GTK_WINDOW_TOPLEVEL);

        wmstr = g_path_get_basename(argv0);
        /* Pointless function; it does nothing */
        //gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf");
        g_free(wmstr);

        wmstr = g_strdup_printf("%s[%"PRIu64"]", "Surf", c->pageid);
        gtk_window_set_role(GTK_WINDOW(w), wmstr);
        g_free(wmstr);

        gtk_window_set_default_size(GTK_WINDOW(w), winsize[0], winsize[1]);
    }

    g_signal_connect(G_OBJECT(w), "destroy",
                     G_CALLBACK(destroywin), c);
    g_signal_connect(G_OBJECT(w), "enter-notify-event",
                     G_CALLBACK(winevent), c);
    g_signal_connect(G_OBJECT(w), "key-press-event",
                     G_CALLBACK(winevent), c);
    g_signal_connect(G_OBJECT(w), "leave-notify-event",
                     G_CALLBACK(winevent), c);
    g_signal_connect(G_OBJECT(w), "window-state-event",
                     G_CALLBACK(winevent), c);

    return w;
}

    gboolean
loadfailedtls(WebKitWebView *v, gchar *uri, GTlsCertificate *cert,
              GTlsCertificateFlags err, Client *c)
{
    GString *errmsg = g_string_new(NULL);
    gchar *html, *pem;

    c->failedcert = g_object_ref(cert);
    c->tlserr = err;
    c->errorpage = 1;

    if (err & G_TLS_CERTIFICATE_UNKNOWN_CA)
        g_string_append(errmsg,
                        "The signing certificate authority is not known.<br>");
    if (err & G_TLS_CERTIFICATE_BAD_IDENTITY)
        g_string_append(errmsg,
                        "The certificate does not match the expected identity "
                        "of the site that it was retrieved from.<br>");
    if (err & G_TLS_CERTIFICATE_NOT_ACTIVATED)
        g_string_append(errmsg,
                        "The certificate's activation time "
                        "is still in the future.<br>");
    if (err & G_TLS_CERTIFICATE_EXPIRED)
        g_string_append(errmsg, "The certificate has expired.<br>");
    if (err & G_TLS_CERTIFICATE_REVOKED)
        g_string_append(errmsg,
                        "The certificate has been revoked according to "
                        "the GTlsConnection's certificate revocation list.<br>");
    if (err & G_TLS_CERTIFICATE_INSECURE)
        g_string_append(errmsg,
                        "The certificate's algorithm is considered insecure.<br>");
    if (err & G_TLS_CERTIFICATE_GENERIC_ERROR)
        g_string_append(errmsg,
                        "Some error occurred validating the certificate.<br>");

    g_object_get(cert, "certificate-pem", &pem, NULL);
    html = g_strdup_printf("<p>Could not validate TLS for “%s”<br>%s</p>"
                           "<p>You can inspect the following certificate "
                           "with Ctrl-t (default keybinding).</p>"
                           "<p><pre>%s</pre></p>", uri, errmsg->str, pem);
    g_free(pem);
    g_string_free(errmsg, TRUE);

    webkit_web_view_load_alternate_html(c->view, html, uri, NULL);
    g_free(html);

    return TRUE;
}

    void
loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
{
    const char *uri = geturi(c);

    switch (e) {
        case WEBKIT_LOAD_STARTED:
            setatom(c, AtomUri, uri);
            c->title = uri;
            c->https = c->insecure = 0;
            seturiparameters(c, uri, loadtransient);
            if (c->errorpage)
                c->errorpage = 0;
            else
                g_clear_object(&c->failedcert);
            break;
        case WEBKIT_LOAD_REDIRECTED:
            setatom(c, AtomUri, uri);
            c->title = uri;
            seturiparameters(c, uri, loadtransient);
            break;
        case WEBKIT_LOAD_COMMITTED:
            setatom(c, AtomUri, uri);
            c->title = uri;
            seturiparameters(c, uri, loadcommitted);
            c->https = webkit_web_view_get_tls_info(c->view, &c->cert,
                                                    &c->tlserr);
            break;
        case WEBKIT_LOAD_FINISHED:
            seturiparameters(c, uri, loadfinished);
            /* Disabled until we write some WebKitWebExtension for
             * manipulating the DOM directly.
             evalscript(c, "document.documentElement.style.overflow = '%s'",
             enablescrollbars ? "auto" : "hidden");
             */
            runscript(c);
            break;
    }
    updatetitle(c);
}

    void
progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
{
    c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
    100;
    updatetitle(c);
}

    void
titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
{
    c->title = webkit_web_view_get_title(c->view);
    updatetitle(c);
}

    gboolean
viewusrmsgrcv(WebKitWebView *v, WebKitUserMessage *m, gpointer unused)
{
    WebKitUserMessage *r;
    GUnixFDList *gfd;
    const char *name;

    name = webkit_user_message_get_name(m);
    if (strcmp(name, "page-created") != 0) {
        fprintf(stderr, "surf: Unknown UserMessage: %s\n", name);
        return TRUE;
    }

    if (spair[1] < 0)
        return TRUE;

    gfd = g_unix_fd_list_new_from_array(&spair[1], 1);
    r = webkit_user_message_new_with_fd_list("surf-pipe", NULL, gfd);

    webkit_user_message_send_reply(m, r);

    return TRUE;
}

    void
mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
                   Client *c)
{
    WebKitHitTestResultContext hc = webkit_hit_test_result_get_context(h);

    /* Keep the hit test to know where is the pointer on the next click */
    c->mousepos = h;

    if (hc & OnLink)
        c->targeturi = webkit_hit_test_result_get_link_uri(h);
    else if (hc & OnImg)
        c->targeturi = webkit_hit_test_result_get_image_uri(h);
    else if (hc & OnMedia)
        c->targeturi = webkit_hit_test_result_get_media_uri(h);
    else
        c->targeturi = NULL;

    c->overtitle = c->targeturi;
    updatetitle(c);
}

    gboolean
permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
{
    ParamName param = ParameterLast;

    if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
        param = Geolocation;
    } else if (WEBKIT_IS_USER_MEDIA_PERMISSION_REQUEST(r)) {
        if (webkit_user_media_permission_is_for_audio_device(
                                                             WEBKIT_USER_MEDIA_PERMISSION_REQUEST(r)))
            param = AccessMicrophone;
        else if (webkit_user_media_permission_is_for_video_device(
                                                                  WEBKIT_USER_MEDIA_PERMISSION_REQUEST(r)))
            param = AccessWebcam;
    } else {
        return FALSE;
    }

    if (curconfig[param].val.i)
        webkit_permission_request_allow(r);
    else
        webkit_permission_request_deny(r);

    return TRUE;
}

    gboolean
decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
             WebKitPolicyDecisionType dt, Client *c)
{
    switch (dt) {
        case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
            decidenavigation(d, c);
            break;
        case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
            decidenewwindow(d, c);
            break;
        case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
            decideresource(d, c);
            break;
        default:
            webkit_policy_decision_ignore(d);
            break;
    }
    return TRUE;
}

    void
decidenavigation(WebKitPolicyDecision *d, Client *c)
{
    WebKitNavigationAction *a =
    webkit_navigation_policy_decision_get_navigation_action(
                                                            WEBKIT_NAVIGATION_POLICY_DECISION(d));

    switch (webkit_navigation_action_get_navigation_type(a)) {
        case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
        default:
            /* Do not navigate to links with a "_blank" target (popup) */
            if (webkit_navigation_action_get_frame_name(a)) {
                webkit_policy_decision_ignore(d);
            } else {
                /* Filter out navigation to different domain ? */
                /* get action→urirequest, copy and load in new window+view
                 * on Ctrl+Click ? */
                webkit_policy_decision_use(d);
            }
            break;
    }
}

    void
decidenewwindow(WebKitPolicyDecision *d, Client *c)
{
    Arg arg;
    WebKitNavigationAction *a =
    webkit_navigation_policy_decision_get_navigation_action(
                                                            WEBKIT_NAVIGATION_POLICY_DECISION(d));


    switch (webkit_navigation_action_get_navigation_type(a)) {
        case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
        case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
            /* Filter domains here */
            /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
             * test for link clicked but no button ? */
            arg.v = webkit_uri_request_get_uri(
                                               webkit_navigation_action_get_request(a));
            newwindow(c, &arg, 0);
            break;
        case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
        default:
            break;
    }

    webkit_policy_decision_ignore(d);
}

    void
decideresource(WebKitPolicyDecision *d, Client *c)
{
    int i, isascii = 1;
    WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
    WebKitURIResponse *res =
    webkit_response_policy_decision_get_response(r);
    const gchar *uri = webkit_uri_response_get_uri(res);

    if (g_str_has_suffix(uri, "/favicon.ico")) {
        webkit_policy_decision_ignore(d);
        return;
    }

    if (!g_str_has_prefix(uri, "http://")
        && !g_str_has_prefix(uri, "https://")
        && !g_str_has_prefix(uri, "about:")
        && !g_str_has_prefix(uri, "file://")
        && !g_str_has_prefix(uri, "data:")
        && !g_str_has_prefix(uri, "blob:")
        && strlen(uri) > 0) {
        for (i = 0; i < strlen(uri); i++) {
            if (!g_ascii_isprint(uri[i])) {
                isascii = 0;
                break;
            }
        }
        if (isascii) {
            handleplumb(c, uri);
            webkit_policy_decision_ignore(d);
            return;
        }
    }

    if (webkit_response_policy_decision_is_mime_type_supported(r)) {
        webkit_policy_decision_use(d);
    } else {
        webkit_policy_decision_ignore(d);
        download(c, res);
    }
}

    void
insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e, Client *c)
{
    c->insecure = 1;
}

    void
downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
{
    g_signal_connect(G_OBJECT(d), "notify::response",
                     G_CALLBACK(responsereceived), c);
}

    void
responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
{
    download(c, webkit_download_get_response(d));
    webkit_download_cancel(d);
}

    void
download(Client *c, WebKitURIResponse *r)
{
    Arg a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
    spawn(c, &a);
}

    void
webprocessterminated(WebKitWebView *v, WebKitWebProcessTerminationReason r,
                     Client *c)
{
    fprintf(stderr, "web process terminated: %s\n",
            r == WEBKIT_WEB_PROCESS_CRASHED ? "crashed" : "no memory");
    closeview(v, c);
}

    void
closeview(WebKitWebView *v, Client *c)
{
    gtk_widget_destroy(c->win);
}

    void
destroywin(GtkWidget* w, Client *c)
{
    destroyclient(c);
    if (!clients)
        gtk_main_quit();
}

    void
pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
{
    Arg a = {.v = text };
    if (text)
        loaduri((Client *) d, &a);
}

    void
reload(Client *c, const Arg *a)
{
    if (a->i)
        webkit_web_view_reload_bypass_cache(c->view);
    else
        webkit_web_view_reload(c->view);
}

    void
print(Client *c, const Arg *a)
{
    webkit_print_operation_run_dialog(webkit_print_operation_new(c->view),
                                      GTK_WINDOW(c->win));
}

    void
showcert(Client *c, const Arg *a)
{
    GTlsCertificate *cert = c->failedcert ? c->failedcert : c->cert;
    GcrCertificate *gcrt;
    GByteArray *crt;
    GtkWidget *win;
    GcrCertificateWidget *wcert;

    if (!cert)
        return;

    g_object_get(cert, "certificate", &crt, NULL);
    gcrt = gcr_simple_certificate_new(crt->data, crt->len);
    g_byte_array_unref(crt);

    win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    wcert = gcr_certificate_widget_new(gcrt);
    g_object_unref(gcrt);

    gtk_container_add(GTK_CONTAINER(win), GTK_WIDGET(wcert));
    gtk_widget_show_all(win);
}

    void
clipboard(Client *c, const Arg *a)
{
    if (a->i) { /* load clipboard uri */
        gtk_clipboard_request_text(gtk_clipboard_get(
                                                     GDK_SELECTION_PRIMARY),
                                   pasteuri, c);
    } else { /* copy uri */
        gtk_clipboard_set_text(gtk_clipboard_get(
                                                 GDK_SELECTION_PRIMARY), c->targeturi
                               ? c->targeturi : geturi(c), -1);
    }
}

    void
zoom(Client *c, const Arg *a)
{
    if (a->i > 0)
        webkit_web_view_set_zoom_level(c->view,
                                       curconfig[ZoomLevel].val.f + 0.1);
    else if (a->i < 0)
        webkit_web_view_set_zoom_level(c->view,
                                       curconfig[ZoomLevel].val.f - 0.1);
    else
        webkit_web_view_set_zoom_level(c->view, 1.0);

    curconfig[ZoomLevel].val.f = webkit_web_view_get_zoom_level(c->view);
}

    static void
msgext(Client *c, char type, const Arg *a)
{
    static char msg[MSGBUFSZ];
    int ret;

    if (spair[0] < 0)
        return;

    if ((ret = snprintf(msg, sizeof(msg), "%c%c%c", c->pageid, type, a->i))
        >= sizeof(msg)) {
        fprintf(stderr, "surf: message too long: %d\n", ret);
        return;
    }

    if (send(spair[0], msg, ret, 0) != ret)
        fprintf(stderr, "surf: error sending: %u%c%d (%d)\n",
                c->pageid, type, a->i, ret);
}

    void
scrollv(Client *c, const Arg *a)
{
    msgext(c, 'v', a);
}

    void
scrollh(Client *c, const Arg *a)
{
    msgext(c, 'h', a);
}

    void
scrollmax(Client *c, const Arg *a)
{
    msgext(c, 't', a);
}

    void
navigate(Client *c, const Arg *a)
{
    if (a->i < 0)
        webkit_web_view_go_back(c->view);
    else if (a->i > 0)
        webkit_web_view_go_forward(c->view);
}

    void
stop(Client *c, const Arg *a)
{
    webkit_web_view_stop_loading(c->view);
}

    void
toggle(Client *c, const Arg *a)
{
    curconfig[a->i].val.i ^= 1;
    setparameter(c, 1, (ParamName)a->i, &curconfig[a->i].val);
}

    void
togglefullscreen(Client *c, const Arg *a)
{
    /* toggling value is handled in winevent() */
    if (c->fullscreen)
        gtk_window_unfullscreen(GTK_WINDOW(c->win));
    else
        gtk_window_fullscreen(GTK_WINDOW(c->win));
}

    void
togglecookiepolicy(Client *c, const Arg *a)
{
    ++cookiepolicy;
    cookiepolicy %= strlen(curconfig[CookiePolicies].val.v);

    setparameter(c, 0, CookiePolicies, NULL);
}

    void
toggleinspector(Client *c, const Arg *a)
{
    if (webkit_web_inspector_is_attached(c->inspector))
        webkit_web_inspector_close(c->inspector);
    else if (curconfig[Inspector].val.i)
        webkit_web_inspector_show(c->inspector);
}

    void
find(Client *c, const Arg *a)
{
    const char *s, *f;

    if (a) {
        if (a->i > 0)
            webkit_find_controller_search_next(c->finder);
        else if (a->i < 0)
            webkit_find_controller_search_previous(c->finder);
        else {
            webkit_find_controller_search_finish(c->finder);
            setatom(c, AtomFind, "");
        }
    } else {
        s = getatom(c, AtomFind);
        f = webkit_find_controller_get_search_text(c->finder);

        if (g_strcmp0(f, s) == 0) /* reset search */
            webkit_find_controller_search(c->finder, "", findopts,
                                          G_MAXUINT);

        webkit_find_controller_search(c->finder, s, findopts,
                                      G_MAXUINT);

        if (strcmp(s, "") == 0)
            webkit_find_controller_search_finish(c->finder);
    }
}

/* Add a bookmark */
#ifndef PRETTY_PRINT_SIZE
#define PRETTY_PRINT_SIZE 64
#endif
void bm_add(Client *c, const Arg *a)
{
    const char *url = getatom(c, AtomUri);
    char *name = spawn_cstr_output(c, a);

    //Do not write to file if the operation is canceled or if the name is empty
    if (*name == '\0') {
        free(name);
        return;
    }

    char *bmarks_apath = buildfile(bookmarks);

    int pid = fork();
    if (pid == 0) {
        if (dpy)
            close(ConnectionNumber(dpy));
        close(spair[0]);
        close(spair[1]);
        setsid();
        FILE *bmarks = fopen(bmarks_apath, "a");
        if(!bmarks)
            die("fopen %s: %s\n", bookmarks, strerror(errno));
        int n_read = 0;
        if ((n_read = fprintf(bmarks, "%s", name)) == -1) {
            fclose(bmarks);
            die("ERROR: bm_add: could not write to file %s: %s\n", bmarks_apath, strerror(errno));
        }
        if(ferror(bmarks)) {
            fclose(bmarks);
            die("ERROR: could not write to file %s: %s\n", bmarks_apath, strerror(errno));
        }
        for(int i = n_read; i < PRETTY_PRINT_SIZE; ++i)
            if (fputs(" ", bmarks) == EOF) {
                fclose(bmarks);
                die("ERROR: bm_add: could not write to file %s: %s\n", bmarks_apath, strerror(errno));
            }
        if (fprintf(bmarks, "%s\n", url) < 0)
            die("ERROR: bm_add: could not write to file %s: %s\n", bmarks_apath, strerror(errno));
        fclose(bmarks);
        _exit(0);
    } else if (pid == -1) {
        die("bm_add: fork failed: %s\n", strerror(errno));
    }
    int status;
    wait(&status);
    if(status)
        die("ERROR: bm_add: child exited with code %d\n", status);

    free(name);
    g_free(bmarks_apath);
}

/* Delete a bookmark: a bookmark is a whole line in a file */
    void
bm_delete(Client *c, const Arg *a)
{
    char *search = spawn_cstr_output(c,a);
    size_t search_size = strlen(search);
    // Discontinue if the user cancels the operation
    if (*search == '\0') {
        free(search);
        return;
    }
    char *bmarks_apath = buildfile(bookmarks);

    char *content = read_whole_file(bmarks_apath);
    if (!content){
        free(search);
        return;
    }
    size_t file_size = strlen(content);
    // Search for the line
    size_t offset = 0;
    for(; offset < file_size
        && memcmp(content + offset, search, search_size);
        ++offset)
        ;
    // Delete the line
    size_t rest_size = file_size - offset - search_size;
    /* The extra 1 is for the '\n' at the end of the line */
    memmove(content + offset, content + offset + search_size + 1, rest_size - 1);
    //memset(content + offset + search_size, 0, rest_size);
    // Rewrite the file
    rewrite_file(bmarks_apath, content, file_size - search_size - 1);

    free(search);
    free(content);
    g_free(bmarks_apath);
}

    void
clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h)
{
    navigate(c, a);
}

    void
clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h)
{
    Arg arg;

    arg.v = webkit_hit_test_result_get_link_uri(h);
    newwindow(c, &arg, a->i);
}

    void
clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h)
{
    Arg arg;

    arg = (Arg)VIDEOPLAY(webkit_hit_test_result_get_media_uri(h));
    spawn(c, &arg);
}

    int
main(int argc, char *argv[])
{
    Arg arg;
    Client *c;

    memset(&arg, 0, sizeof(arg));

    /* command line args */
    ARGBEGIN {
        case 'a':
            defconfig[CookiePolicies].val.v = EARGF(usage());
            defconfig[CookiePolicies].prio = 2;
            break;
        case 'b':
            defconfig[ScrollBars].val.i = 0;
            defconfig[ScrollBars].prio = 2;
            break;
        case 'B':
            defconfig[ScrollBars].val.i = 1;
            defconfig[ScrollBars].prio = 2;
            break;
        case 'c':
            cookiefile = EARGF(usage());
            break;
        case 'C':
            stylefile = EARGF(usage());
            break;
        case 'd':
            defconfig[DiskCache].val.i = 0;
            defconfig[DiskCache].prio = 2;
            break;
        case 'D':
            defconfig[DiskCache].val.i = 1;
            defconfig[DiskCache].prio = 2;
            break;
        case 'e':
            embed = strtol(EARGF(usage()), NULL, 0);
            break;
        case 'f':
            defconfig[RunInFullscreen].val.i = 0;
            defconfig[RunInFullscreen].prio = 2;
            break;
        case 'F':
            defconfig[RunInFullscreen].val.i = 1;
            defconfig[RunInFullscreen].prio = 2;
            break;
        case 'g':
            defconfig[Geolocation].val.i = 0;
            defconfig[Geolocation].prio = 2;
            break;
        case 'G':
            defconfig[Geolocation].val.i = 1;
            defconfig[Geolocation].prio = 2;
            break;
        case 'i':
            defconfig[LoadImages].val.i = 0;
            defconfig[LoadImages].prio = 2;
            break;
        case 'I':
            defconfig[LoadImages].val.i = 1;
            defconfig[LoadImages].prio = 2;
            break;
        case 'k':
            defconfig[KioskMode].val.i = 0;
            defconfig[KioskMode].prio = 2;
            break;
        case 'K':
            defconfig[KioskMode].val.i = 1;
            defconfig[KioskMode].prio = 2;
            break;
        case 'm':
            defconfig[Style].val.i = 0;
            defconfig[Style].prio = 2;
            break;
        case 'M':
            defconfig[Style].val.i = 1;
            defconfig[Style].prio = 2;
            break;
        case 'n':
            defconfig[Inspector].val.i = 0;
            defconfig[Inspector].prio = 2;
            break;
        case 'N':
            defconfig[Inspector].val.i = 1;
            defconfig[Inspector].prio = 2;
            break;
        case 'r':
            scriptfile = EARGF(usage());
            break;
        case 's':
            defconfig[JavaScript].val.i = 0;
            defconfig[JavaScript].prio = 2;
            break;
        case 'S':
            defconfig[JavaScript].val.i = 1;
            defconfig[JavaScript].prio = 2;
            break;
        case 't':
            defconfig[StrictTLS].val.i = 0;
            defconfig[StrictTLS].prio = 2;
            break;
        case 'T':
            defconfig[StrictTLS].val.i = 1;
            defconfig[StrictTLS].prio = 2;
            break;
        case 'u':
            fulluseragent = EARGF(usage());
            break;
        case 'v':
            die("surf-"VERSION", see LICENSE for © details\n");
        case 'w':
            showxid = 1;
            break;
        case 'x':
            defconfig[Certificate].val.i = 0;
            defconfig[Certificate].prio = 2;
            break;
        case 'X':
            defconfig[Certificate].val.i = 1;
            defconfig[Certificate].prio = 2;
            break;
        case 'z':
            defconfig[ZoomLevel].val.f = strtof(EARGF(usage()), NULL);
            defconfig[ZoomLevel].prio = 2;
            break;
        default:
            usage();
    } ARGEND;
    if (argc > 0)
        arg.v = argv[0];
    else
        arg.v = HOMEPAGE;

    setup();
    c = newclient(NULL);
    showview(NULL, c);

    loaduri(c, &arg);
    updatetitle(c);

    gtk_main();
    cleanup();

    return 0;
}
